130123391 has 2 divisors, whose sum is σ = 130123392. Its totient is φ = 130123390.

The previous prime is 130123369. The next prime is 130123393. The reversal of 130123391 is 193321031.

It is a strong prime.

It is an emirp because it is prime and its reverse (193321031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130123391 - 2²⁶ = 63014527 is a prime.

Together with 130123393, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130123393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65061695 + 65061696.

It is an arithmetic number, because the mean of its divisors is an integer number (65061696).

Almost surely, 2^130123391 is an apocalyptic number.

130123391 is a deficient number, since it is larger than the sum of its proper divisors (1).

130123391 is an equidigital number, since it uses as much as digits as its factorization.

130123391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 130123391 is about 11407.1640209125. The cubic root of 130123391 is about 506.7399265508.

The spelling of 130123391 in words is "one hundred thirty million, one hundred twenty-three thousand, three hundred ninety-one".